Re: [PATCH net] vhost-vsock: fix use after free

[Jason Wang]

On 2018å09æ27æ 17:52, Sergei Shtylyov wrote:
> Hello!
>
> On 9/27/2018 11:43 AM, Jason Wang wrote:
>
> ÂÂ Just a couple of typos...
>
> > The access of vsock is not protected by vhost_vsock_lock. This may
> > lead use after free since vhost_vsock_dev_release() may free the
>
> Â Lead to use.
>
> > pointer at the same time.
> >
> > Fix this by holding the lock during the acess.
>
> ÂÂ Access.
>
> > Reported-by: syzbot+e3e074963495f92a89ed@xxxxxxxxxxxxxxxxxxxxxxxxx
> > Fixes: 16320f363ae1 ("vhost-vsock: add pkt cancel capability")
> > Fixes: 433fc58e6bf2 ("VSOCK: Introduce vhost_vsock.ko")
> > Cc: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
> > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> [...]
>
> MBR, Sergei

Let me post V2.

Thanks